Chat may be used to the big battles and saving the day, but he's more than aware that this is an important part too; reaching out to those who need it, offering help that doesn't involve superhero antics. He honestly treasures it, it's rare he can stick around much post-battle to do what he'd much prefer. Be with the people, help them.

He recognises Erskine from the hotel, of course, but that's as Adrien. So, he keeps up the charade, acting as if he's never seen this guy before in his life. Just people. Helping other people. Nothing special.

"It's pretty great this is being help for the people here. Got to love giving something back, right?"